Ksenak Stephen Michael — SEC Form 4 filings
SEC reporting owner CIK 1527850. 11 Form 4 filings on record with FilingPulse; latest filed 2025-10-01.
Transaction summary — filings shown
Covers all 11 filings on record, filed 2024-02-23 to 2025-10-01. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): 1 leg across 1 filing — 5,000 shares, $55,000 total (shares × price as filed).
- Open-market sales (code S, non-derivative): none reported.
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 37.
- Largest priced transaction: purchase of 5,000 shares @ $11.00 ($55,000) in AMBAC FINANCIAL GROUP INC, filed 2024-08-08.
By issuer — same filings
Open-market purchase/sale legs on non-derivative securities, grouped by issuer. Role is as filed on the newest filing for that issuer. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Issuer | Role (as filed) | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|---|
| AMBAC FINANCIAL GROUP INC (AMBC) | Sr. MD & General Counsel | 11 | 1 leg · 5,000 sh · $55,000 | — | 37 |
Form 4 filings — Ksenak Stephen Michael
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2025-10-01 | 4 | AMBAC FINANCIAL GROUP INC (AMBC) | Conversion (C): 129,146 @ $0 · Tax withholding (F): 43,522 @ $9.72 · Conversion (C): 129,146 (derivative) @ $0 | EDGAR |
| 2025-07-09 | 4 | AMBAC FINANCIAL GROUP INC (AMBC) | Grant/award (A): 32,097 (derivative) @ $0 | EDGAR |
| 2025-03-14 | 4 | AMBAC FINANCIAL GROUP INC (AMBC) | Option exercise (M): 4,726 @ $0 · Tax withholding (F): 1,703 @ $8.39 · Option exercise (M): 4,726 (derivative) @ $0 | EDGAR |
| 2025-03-10 | 4 | AMBAC FINANCIAL GROUP INC (AMBC) | Option exercise (M): 1,967 @ $0 · Tax withholding (F): 1,967 @ $9.16 · Grant/award (A): 53,999 (derivative) @ $0 | EDGAR |
| 2025-03-04 | 4 | AMBAC FINANCIAL GROUP INC (AMBC) | Option exercise (M): 582 · Tax withholding (F): 582 @ $9.71 · Option exercise (M): 400 · Tax withholding (F): 400 @ $9.30 · Option exercise (M): 5,051 (derivative) · Option exercise (M): 4,469 (derivative) · +2 more | EDGAR |
| 2024-08-08 | 4 | AMBAC FINANCIAL GROUP INC (AMBC) | Purchase (P): 5,000 @ $11 | EDGAR |
| 2024-03-15 | 4 | AMBAC FINANCIAL GROUP INC (AMBC) | Grant/award (A): 14,179 (derivative) @ $0 | EDGAR |
| 2024-03-11 | 4 | AMBAC FINANCIAL GROUP INC (AMBC) | Option exercise (M): 218 @ $0 · Tax withholding (F): 218 @ $15.38 · Option exercise (M): 218 (derivative) @ $0 · Option exercise (M): 5,959 (derivative) @ $0 · Grant/award (A): 5,959 (derivative) @ $0 | EDGAR |
| 2024-03-04 | 4 | AMBAC FINANCIAL GROUP INC (AMBC) | Option exercise (M): 163 @ $0 · Tax withholding (F): 163 @ $16.19 · Option exercise (M): 163 (derivative) @ $0 · Option exercise (M): 4,438 (derivative) @ $0 · Grant/award (A): 4,438 (derivative) @ $0 | EDGAR |
| 2024-03-01 | 4 | AMBAC FINANCIAL GROUP INC (AMBC) | Option exercise (M): 178 @ $0 · Tax withholding (F): 178 @ $16.94 · Option exercise (M): 178 (derivative) @ $0 · Option exercise (M): 4,872 (derivative) @ $0 · Grant/award (A): 4,872 (derivative) @ $0 | EDGAR |
| 2024-02-23 | 4 | AMBAC FINANCIAL GROUP INC (AMBC) | Option exercise (M): 1,861 @ $0 · Tax withholding (F): 1,861 @ $16.25 · Grant/award (A): 40,442 (derivative) @ $0 | EDGAR |
FilingPulse's Form 4 archive currently extends back to 2024-01-11 and is expanding backward through EDGAR history — earlier filings by this insider may not be indexed yet. Names and roles are shown as filed.
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